其中内部动态元分别由带有局部激活反馈和局部输出反馈的自回归滑动平均滤波器构成。
The internal dynamic elements are auto-regressive moving average filters with local activation feedback and local output feedback, respectively.
通过计算导出了平均假频衰减与滤波器阶次及采样率的关系式。
A relation between average alias attenuation and filter order and sampling rate is derived from calculation.
用合适的滤波器可以从估计出的平均频率曲线中得到涡流的波形，并且计算表征涡流的涡流经过频率和幅度特征参数。
Meanwhile the vortex shift waveform is obtained from the estimated mean frequency waveform using a suitable low-pass filter. Then the vortex shedding frequency and amplitude can be calculated.
新算法使用时变遗忘因子对误差进行指数加权平均来估计均方误差，并使用该因子改变自适应迭代过程中滤波器系数向量的更新方向。
In the new algorithm, a time-variant forgetting factor is introduced to estimate the Mean Square Er-ror (MSE) and change the updating direction of adaptive filter coefficient vector.
提出了一般梳状滤波器的设计方法，证明了传统的时域平均只是一般梳状滤波的一个特例。
A methodology for the design of a general comb filter is proposed, and it is demonstrated that the traditional time domain averaging is just a special case of the general comb filtering.
应用随机平均法，根据所给定的波浪谱确定滤波器参数。
According to the giving wave spectrum, the coefficient of nonlinear wave filter is gotten by the method of stochastic averaging.
仿真实验表明，基于领域加权平均绝对值误差准则最优层叠滤波器也能在细节保持和滤除噪声方面寻找到比较合适的折衷点。 关键词：层叠滤波器；
Simulated experiments show that optimal stack filters based on neighboring weighted mean absolute criterion can also reach a good tradeoff between noise suppressing and detail preservation.
用该程序可以设计出与加权平均形式相同的在线数字滤波器，所加的权是根据噪声的性质设计的归一化的滤波因子。
The on-line filter in the same way as average powers can be designed with given program. The power is the filtering factor designed on the basis of noise property.
在天气回波信号谱宽固定的情况下，通过改变天气回波信号的平均多普勒频率，分析了回归滤波器对它的衰减情况。
Fixing the spectrum width of the weather echo signals, we change theirs mean Doppler frequency and filter them using regression filter. After filtering, we analyze the attenuation of them.
改变滤波器电阻阻值，研究滤波器上平均功率损耗、峰值功率损耗与滤波器电阻阻值的关系。
Changing the resistance of filter, it studies the connection of the average power and peak power loss with filter resistance.
用一个递归滤波器估计回波平均功率，并计算真实回波和欺骗回波的检测概率，用于相关计算和欺骗终止判断。
The average power of both true skin and deception echo is estimated recursively to calculate the detection probabilities which are used in 2D assignment and RGPO breaking-off judgment.
本文主要以图像除噪为研究对象，介绍了图像的降噪方法—平均值法、形态学滤波器、中值滤波器以及小波。
This paper is mainly studied denoising of image. Denoising methods of image are introduced such as average method, morphological filtering, median filt ring and wavelet.
本文主要以图像除噪为研究对象，介绍了图像的降噪方法—平均值法、形态学滤波器、中值滤波器以及小波。
This paper is mainly studied denoising of image. Denoising methods of image are introduced such as average method, morphological filtering, median filt ring and wavelet.
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